If you have just started developing breasts, one breast may grow more quickly than the other. This difference in breast size may even out. But it's also perfectly.
Nov 20, Breast asymmetry occurs when one breast has a different size, shows you have asymmetrically dense breasts, the difference in density could.
Oct 3, A slight difference in size — up to 20 percent — between the right and left breast is normal. Sudden changes are not, though, and are reason to.